package ssm.dao.impl;

import ssm.dao.Search;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class PrototypeSearch implements Search {
    /**
     * 原型模式
     *
     * @param conn
     * @param rs
     * @param rowsNumber
     * @throws SQLException
     */
    @Override
    public void check(Connection conn, ResultSet rs, int rowsNumber) throws SQLException {
        int count = 0;
        for (int i = 1; i <= rowsNumber; i++) {
            rs.absolute(i);
            String rel_type = rs.getString("RelationType");
            if (rel_type.equalsIgnoreCase("REALIZATION")) {

                String s1 = rs.getString("SourceClass");
                String d1 = rs.getString("DestinationClass");

                for (int j = 1; j <= rowsNumber; j++) {
                    rs.absolute(j);
                    String rel_type2 = rs.getString("RelationType");

                    if (rel_type2.equalsIgnoreCase("DEPENDENCY")) {

                        String s2 = rs.getString("SourceClass");
                        String d2 = rs.getString("DestinationClass");

                        if (s1.equalsIgnoreCase(s2) && d1.equalsIgnoreCase(d2)) {

                            String sql2 = "INSERT INTO designs.prototype_instances(Concrete_Prototype,Prototype) VALUES (?,?)";
                            PreparedStatement stmt2 = conn.prepareStatement(sql2);

                            stmt2.setString(1, s1);
                            stmt2.setString(2, d1);
                            int rows2 = stmt2.executeUpdate();
                            count += rows2;
                        }
                    }
                }
            }
        }
        System.out.println("found " + count + " Prototype");
    }
}
